# How to know the elapse time using GLPK solver

**URL:** https://discourse.julialang.org/t/how-to-know-the-elapse-time-using-glpk-solver/38511
**Category:** Optimization (Mathematical)
**Created:** [April 30, 2020, 10:42pm UTC](https://discourse.julialang.org/t/how-to-know-the-elapse-time-using-glpk-solver/38511 "2020-04-30T22:42:35Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![lausilvag](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/lausilvag/32/9778_2.png) [@lausilvag](https://discourse.julialang.org/u/lausilvag)
#### Post date: [April 30, 2020, 10:42pm UTC](https://discourse.julialang.org/t/how-to-know-the-elapse-time-using-glpk-solver/38511/1 "2020-04-30T22:42:35Z")

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Hi!  
I am using the GLPK solver and in the output doesn’t appear the elapsed time:

GLPK Simplex Optimizer, v4.64  
0: obj = 0.000000000e+000 inf = 3.846e+001 (1)  
3: obj = 1.144956706e+007 inf = 0.000e+000 (0)

- 13: obj = 8.328774553e+006 inf = 0.000e+000 (0)  
OPTIMAL LP SOLUTION FOUND  
GLPK Integer Optimizer, v4.64  
80 rows, 500 columns, 2810 non-zeros  
500 integer variables, all of which are binary  
Integer optimization begins…

- 13: mip = not found yet \>= -inf (1; 0)
- 27: \>\>\>\>\> 1.500585490e+008 \>= 8.886042150e+006 94.1% (7; 0)
- 32: \>\>\>\>\> 9.095841177e+007 \>= 9.008360860e+006 90.1% (6; 1)
- 51: \>\>\>\>\> 7.498068962e+007 \>= 9.427087141e+006 87.4% (11; 3)
- 64: \>\>\>\>\> 3.157159012e+007 \>= 9.551510608e+006 69.7% (15; 4)
- 77: \>\>\>\>\> 2.860642016e+007 \>= 1.091156753e+007 61.9% (20; 8)
- 81: \>\>\>\>\> 2.394664958e+007 \>= 1.360769385e+007 43.2% (12; 16)
- 81: mip = 2.394664958e+007 \>= tree is empty 0.0% (0; 55)  
INTEGER OPTIMAL SOLUTION FOUND

Do you have any idea which command and/or parameter to use to make the elapse time appear?

I really really appreciate your help!

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<div class="post-metadata">

### Author: ![Henrique\_Becker](https://sea2.discourse-cdn.com/julialang/user_avatar/discourse.julialang.org/henrique_becker/32/15443_2.png) [@Henrique\_Becker](https://discourse.julialang.org/u/Henrique_Becker)
#### Post date: [May 1, 2020, 12:21am UTC](https://discourse.julialang.org/t/how-to-know-the-elapse-time-using-glpk-solver/38511/2 "2020-05-01T00:21:58Z")

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If you are using JuMP, you can check if the solver supports [`JuMP.solve_time`](http://www.juliaopt.org/JuMP.jl/stable/solutions/#JuMP.solve_time).

Please, use triple backticks to past code or terminal outputs in your posts.

```  
Example.  
```

becomes

```julia
Example.

```